EP1038065A1 - Überführungsvorrichtung - Google Patents
ÜberführungsvorrichtungInfo
- Publication number
- EP1038065A1 EP1038065A1 EP99927944A EP99927944A EP1038065A1 EP 1038065 A1 EP1038065 A1 EP 1038065A1 EP 99927944 A EP99927944 A EP 99927944A EP 99927944 A EP99927944 A EP 99927944A EP 1038065 A1 EP1038065 A1 EP 1038065A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transfer device
- hose
- web
- winding drum
- guide element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G9/00—Other accessories for paper-making machines
- D21G9/0063—Devices for threading a web tail through a paper-making machine
- D21G9/0072—Devices for threading a web tail through a paper-making machine using at least one rope
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
Definitions
- the invention relates to a device for transferring a threading strip or a material web within a machine for producing and / or processing the material web from a takeover area into a transfer area along a web travel path according to the preamble of claims 1 and 18.
- the device is used within a machine for producing and / or processing a material web, for example paper or cardboard web, and is used to transfer the material web or a strip separated from it, also referred to as threading strip, from a takeover area into a transfer area.
- a material web for example paper or cardboard web
- threading strip a strip separated from it
- the known device comprises a rope guide with two ropes which converge in a so-called rope scissors at the beginning of the rope guide.
- the threading strip / material web is guided into the cable shears formed in a take-over area and between the cable len clamped, the transfer of the strip / web is carried out at reduced or full machine speed, which can be up to 2000 m / min and above.
- the ropes used for transfer have a speed which is higher than the machine speed itself. It has been found to be disadvantageous that in many cases the threading strip / the material web cannot be held securely by the ropes and during the Transfer is lost, so that the transfer process often has to be repeated several times until a successful transfer of the strip / web from the takeover area to the transfer area has been completed.
- a device with the features of claim 1 comprises at least one flexible guide element, for example rope, tape, chain or the like, which can be shifted from a takeover area into a transfer area along a web path with the aid of a drive device.
- the term “web travel path” is understood to mean the distance that is predetermined by the manufacturing and / or processing process of the material web or by guide and / or treatment devices.
- the threading strip / the material web is guided, for example, over rollers, through roller presses, over device surfaces, over / through treatment devices, over / through measuring devices and / or on belts, the arrangement of which within the machine determine or define the web travel path.
- the transfer device is characterized in that at least one hose, to which a negative pressure can be applied, is attached to the at least one guide element, preferably a rope, through which the threading strip / the material web can be guided out of the web travel path.
- the course of the hose is parallel or essentially parallel to that of the at least one guide element.
- the guide element and the hose can be wound onto a winding drum rotatable about their longitudinal axis, the winding drum being provided on its outer jacket with at least one spiral web. Because of this configuration, the guide element and the hose can be wound together uniformly onto the winding drum. An overlap of the turns of the hose and that of the guide element, which can lead to tangling or knotting, can be practically excluded.
- the transfer device has a high level of functional reliability even at high machine speeds.
- the transfer device which is characterized in that two spaced and parallel guide elements, preferably ropes, are provided, to which the hose is arranged or guided in parallel or essentially in parallel and to which the hose by means of several hose fastening elements is held.
- This enables the flexible hose, which is preferably made of a flexible material, to be guided precisely, so that a uniform, overlap-free winding of the hose and the guide elements onto the winding drum can be ensured even with rapid displacement of the guide elements at high speed.
- the wound hose is arranged in the space between two turns (i.e. the left and right flanks of the spiral turn) of the web provided on the outer jacket of the winding drum and that they are preferably 180 ° apart from one another over the circumferential region of the hose staggered guide elements on the Abut the top and / or on the flanks of the web on a web turn.
- a transfer device with the features of claim 18.
- This is characterized in that the guide element and the at least one hose that can be subjected to a negative pressure, run parallel or essentially parallel to the guide element, is fastened to the guide element and through which the threading strip / the material web leads out of the web path, for example laterally can be wound on a winding element, which comprises a body formed by a spiral, the spiral being rotatable about its longitudinal axis.
- the winding element is characterized in particular by a particularly simple and therefore inexpensive structure.
- the transfer device is preferred in which the hose wound on the spiral is arranged in the space between two turns of the spiral.
- the hose is arranged between two guide elements, preferably ropes, which are spaced apart and parallel to one another and on which the hose is held by means of a plurality of hose fastening elements.
- the sections of the guide elements which are wound onto the spiral lie on the outside and / or in each case on one side of the Winding of the spiral, so that the intermediate tube protrudes into the space between these turns and is held there by the guide elements.
- FIG. 1 shows a schematic diagram of an exemplary embodiment of the transfer device according to the invention
- Figure 2 is a side view of part of an embodiment of the transfer device, namely a take-up drum;
- Figure 3 is a side view of another embodiment of the take-up drum.
- FIG. 4 shows a front view of the winding drum according to FIG. 3.
- the device described below can generally be used for transferring a threading strip or a material web within a machine for producing and / or processing the material web.
- the material web for example paper, cardboard, textile web, plastic film, fleece, non-woven, is produced and / or processed in the machine.
- this is a paper machine, in which a paper web is manufactured and processed.
- Processing in connection with a paper web is understood to mean, for example, finishing, coating, printing, painting or the like.
- FIG. 1 shows a schematic basic sketch of an exemplary embodiment of a device 1 which is arranged within a paper machine and is used for transferring a paper web, which is generally referred to below as material web 3, from a takeover area 5 into a transfer area 7 along a web travel path.
- the web path is understood to mean the path of the material web 3 that is predetermined by guiding and / or treatment devices, for example rollers or device surfaces.
- a processing station 9 (not shown in more detail), for example a coating machine, is arranged.
- the processing station 9 is preceded by a pressing device 11, as seen in the direction of travel (arrow 13) of the material web 3, and a drying group 15, of which only a first drying cylinder 17 is shown in FIG. 1.
- the pressing device is immediately followed by a transport means 19 which comprises at least one suction belt 21 known per se.
- the material web 3 is guided via preferably drivable web guide rollers 23 through the cellar 27 located below the foundation 25 of the paper machine to the processing station 9 arranged above the foundation 25.
- a tion unit 29 a coating medium is applied to the material web.
- the material web 3 is then fed upward — not shown — to further, known devices of the processing station 9, for example an air pressure and / or infrared dryer and, if appropriate, further drying and coating devices.
- the material web 3 is finally taken over in the transfer area 7 by a take-over device 31, which here comprises a suction belt, and is guided into the closing nip between the drying cylinder 7 and a conveyor belt 33 of the drying group 15.
- the material web is guided freely in the part of the machine lying between the take-over area 5 and the transfer area 7, that is to say the material web 3 is not supported by a conveyor / support belt or the like.
- the transfer device 1 is provided in the area of the processing station 9, which is described in more detail below.
- the transfer device 1 in this embodiment comprises two at a distance and par all mutually extending guide elements, of which only the guide element 35 is shown in FIG. 1 with a broken line in the basement 27.
- the flexible guide elements are preferably formed by ropes, bands, chains or the like.
- the guide elements can be made of metal or a preferably high-strength and heat-resistant plastic, preferably Kevlar.
- the guide elements here are formed by ropes 37. As can be seen from the illustration according to FIG. 1, the ropes 37 are connected to form an “endless” loop, which will be discussed in more detail below with reference to FIG. 2.
- the closed rope loop is partly via deflection rollers 39 and along the path of the web, for example via loose rope pulleys , which sit on the guide roller journals, are guided over the same web guide rollers through the same devices of the processing station (dryer, pressing devices, finishing unit 29), over which or through which the material web 3 is also guided.
- the ropes 37 can be moved with the aid of a drive device 41 either in the direction of the web travel path and in the opposite direction.
- the drive device 41 arranged in the basement 27 here comprises a traction sheave 43, which can be acted upon with a drive and braking torque, as is used, for example, in elevator construction and which interacts with at least one of the ropes 37, preferably with both ropes.
- the drive device 41 is preferably designed such that both the direction of displacement of the guide elements and - lo ⁇
- the ropes 37 can preferably be moved from a standstill in both directions with the desired acceleration to a predetermined speed.
- a rope tensioning device 44 is provided for each of the ropes, each comprising three deflection pulleys, over the circumference of which the ropes 37 are guided in regions.
- a weight is attached to each deflection pulley of the cable tensioning devices 44, which pulls the one deflection pulley, also referred to as a tension pulley, vertically downward, as indicated by arrows, and thus tension the cables 37 independently of one another.
- the two displaceable deflection rollers are arranged here at different height levels.
- a flexible hose 45 is attached to the guide elements 35, here the cables 37, which is arranged and held on the cables 37 running parallel to one another by means of a plurality of hose fastening elements 47.
- the hose 45 runs parallel, but at least essentially parallel to the ropes 37.
- a pick-up head 49 is provided, which is shown in two positions in FIG. 1, namely in the take-over area 5 for taking over the threading strip / the material web from the selected means of transport 19 and in the transfer area 7, in which the strip / the web to the Transfer device 31 is transferred.
- the receiving head 49 which has a suction opening, is designed in such a way that it adapts to the outer contour when transferred via a web guide roller or the like, as can be seen in the position shown in the transfer area 7.
- the hose 45, together with the ropes 37, can be wound up, preferably completely, on a take-up drum 51 located here in the basement 27, the structure of which is described in more detail below with reference to FIG. 2.
- the other end of the hose 45 facing away from the receiving head 49 is connected to a tubular connecting part 53, which in turn is connected to a vacuum source, not shown, so that the hose 45 can be subjected to a negative pressure.
- the function of the hose 45 is described in more detail below using a transfer process. In the following it is assumed, purely by way of example, that only a threading strip separated from the material web 3 is transferred from the takeover area to the transfer area.
- the hose 45 which is preferably completely, or at least so far, wound onto the winding drum 51 while the machine is running that it does not interfere with the normal operation of the machine, is activated when the machine is started up or a web break occurs by driving the cables 37 in the transfer area 5 relocated. This process is triggered manually or by a corresponding control of the drive device 41.
- the from Means of threading 19 running out is sucked into the receiving head by applying a vacuum to the hose and guided through the entire hose to the connecting part 53.
- the transport or guidance of the threading strip is effected or supported by the air flow inside the hose.
- the connecting part 53 is followed by a further treatment device in which the threading strip is, for example, collected and / or crushed or fed to a recycling system or the like.
- the hose is displaced along the path of the web to the transfer area 7. After the threading strip is threaded in, it is gradually widened until the entire width of the material web is passed through the machine.
- the speed of displacement of the hose or that of the guide elements 35 during the transfer process is lower, preferably significantly lower than the running speed of the material web, which corresponds to the machine speed at the time of the threading process. That is, the transfer speed of the threading strip is significantly lower than the machine speed, so that the threading strip can be transferred safely.
- suction of the strip through the hose this is tensioned at the same time, so that the part of the strip already threaded is preferably flutter-free over the Management and / or treatment facilities is performed.
- the threading strip is transferred to the take-over device 31 and passed into the subsequent part of the paper machine. It is clear that the threading strip or the entire web of material is fed through the paper machine at, for example, 2000 m / min, while the transfer speed of the threading strip is, for example, only 300 m / min. Since the threading strip is taken up by the hose 45 and the part of the threading strip which is preferably led out of the web path is discharged through the hose 45, a slow and safe transfer of the threading strip from the transfer area into the transfer area is possible without reducing the machine speed during the transfer process must become.
- the longitudinal tension of the strip can be kept at a desired value by suctioning the hose.
- FIG. 2 shows a section of the transfer device shown in FIG. 1, namely a part of the winding drum 51.
- the same parts are provided with the same reference numerals, so that distant to the description of Figure 1.
- the winding drum 51 has on its outer casing 55 a spiral web 57, which is incorporated into the outer casing 55 or attached to the outer casing.
- the web 57 is machined out of a solid material or wound onto the drum-shaped base body of the winding drum 51 and fixed thereon.
- a groove-shaped depression 61 or 61' is introduced, in which the part of the ropes 37, 37 'wound on the winding drum 51 is like can be seen in Figure 2 is partially included.
- the recesses can also be partially worked into the top and into the flanks of the web or completely into the web flanks.
- the ropes 37, 37 ' are attached at one end to a first end region 63 of the winding drum 51 at a point 65 — lying in the respective recess 61 or 61 ′ —on the web 57.
- the other end of the cables 37, 37 ' which are guided over the traction sheave 43 of the drive device 41 without the hose, is fastened to the other, second end region 67 of the winding drum 51 at a point 69 on the winding drum 51. Furthermore, the hose 45, which is fastened to the end region 67 of the winding drum 51 by means of the hose fastening elements 47 formed here by clamps between the ropes 37, 37 'which are spaced apart and parallel to one another. As can be seen from FIG.
- the hose and the cables are wound onto the winding drum 51 in such a way that the cables 37, 37 'lie in the depressions 61 and 61', respectively, and the hose held between the cables in the space between two turns of the web 57 is led.
- the web height and width is chosen here so that the hose does not rest on the flanks of the web or on the outer jacket of the winding drum 51. The hose hangs freely between the turns of the web.
- the hose 45 is connected in the second end region 67 of the winding drum 51 to a tubular connecting element, not shown, which penetrates the jacket of the winding drum 51 and to the other end of which a tubular compensation line 71 is connected.
- the compensation line 71 which preferably has a circular cylindrical cross section and which can comprise, for example, a section formed concentrically to the connecting element, has a straight line section 73 on its free end area facing away from the connecting element, which extends into a through opening 75 of the connecting part 53 connected to a vacuum source, that is stationary on a base 81 attached to the frame 79 of the machine.
- the passage opening 75 has a cross section which is adapted to the outer contour of the compensation line.
- the line section of the compensation line 71 which engages in the through-opening 75 of the connecting part 53 is rotatably held and displaceable in the longitudinal direction in the through-opening.
- a sealing and bearing bush 83 is introduced into the through opening 75, which serves both to seal the annular gap between the through opening and the compensation line and also to guide the part of the compensation line which is displaceable in the through opening.
- the winding drum 51 is therefore supported on the connection side thereof via the compensation line 71.
- the winding drum 51 is supported on its side facing away from the compensation line 71, for example by means of a plurality of centering rollers 84, shown in FIG. 1, which are distributed over the circumference of the winding drum 51 and are arranged stationary within the machine.
- the centering rollers 84 run between the web turns or on the web turn in the region of the winding drum in which the hose is not wound.
- the winding drum 51 is in the direction of its longitudinal axis 85 trained to be relocatable.
- the winding drum is rotatably held on a movable carriage, not shown in FIG. 2, which is moved uniformly while the hose 45 is being wound and unwound.
- the rotatable mounting of the winding drum 51 takes place on one side via the compensation line 71 and on the other hand either by means of the centering rollers described above or a bearing pin.
- the carriage is dispensed with and the winding drum 51 is displaced by at least one control element 87 which engages in the space between two turns of the web 57.
- This is formed here purely by way of example from a roller 89 which is rotatably mounted on a suspension 91 fastened to the frame 79.
- the control element can also be formed by a backdrop or a sliding block or the like.
- the control element 87 has a fixed position with respect to the winding drum 51, which is displaceable in the direction of its longitudinal axis.
- the winding drum 51 With a rotary movement of the winding drum 51, which is generated by a displacement of the respective cables 37, 37 'by means of the drive device 41, the winding drum — depending on the direction of rotation — is shifted to the left or right in FIG. 2 by the control element against a flank of the Stegs presses.
- the principle of displacement, according to which the winding drum is displaced, corresponds to that of a screw screwed into a threaded bore, the web corresponding to the external thread of the screw and the control element taking over the function of the internal thread.
- the winding drum 51 is inclined by an angle a relative to an imaginary horizontal H running parallel to the bearing surface 93 of the frame 79, which corresponds to the slope of the spiral-shaped web. This ensures that the hose and the ropes run up and down the winding drum in a constant path, here vertically, which is explained in more detail below.
- the hose 45 and the ropes 37, 37 '- as indicated by an arrow 95 - are guided vertically downward from the transfer area 7 and wound onto the winding drum 51.
- the rotation of the winding drum 51 is generated by unwinding the part of the cables 37, 37 'wound in the first end region 63 of the winding drum. Due to the defined inclined position of the winding drum, the course of the ropes coming from above with the hose attached to them is parallel to the part of the ropes 37, 37 'which is unwound vertically downward and is shown by the dashed line.
- the hose can also be wound onto the winding drum above the foundation, ie inside the machine. For this purpose, this can be positioned above the transfer area 7, for example. It should also be noted that the hose 45 can be fastened to both the first end region 63 and the second end region 67 of the winding drum 51, that is to say either on the side of the winding drum on which it is mounted by means of the compensation line which telescopically engages in the through opening of the connecting part, or on the opposite side.
- the total displacement of the winding drum depends on the length of the hose 45, which can be up to 60 m and above, and the diameter of the winding drum, which is, for example, 2 m and the pitch of the spiral, which can be, for example, 250 mm.
- the winding drum is the Length approx. 3 m, which also roughly corresponds to their displacement.
- the winding drum 51 is driven via the ropes 37, 37 ′ attached to it and thus connected to form an endless loop.
- the forces acting on the take-up drum 51, which are supported by the mounting of the take-up drum are only slight, as a result of which the structural design of the transfer device can be simplified.
- good power transmission can be achieved by means of the two ropes.
- the advantages of the transfer device described above compared to known systems are also achieved if the hose is only held on a guide element 35.
- FIG. 3 shows a side view of a further exemplary embodiment of the winding drum 51, the design and function of which corresponds to the winding drum explained with reference to FIGS. 1 and 2.
- This also has on its outer jacket 55 a spirally extending web (not shown in FIG. 3). Therefore, only the storage of the winding drum 51 will be discussed in more detail below.
- the winding drum 51 is supported on its side facing the suction connection — in FIG. 3 on the right side — via the compensation line 71, which leads into the through opening of the connection that is not shown in FIG. 3 and is connected to the vacuum source. manure intervenes.
- the compensation line 71 is rotatably held in a bearing bore of a first bearing support 93, which is laterally fastened to the longitudinal beams 97 and 97 'by means of a plurality of fastening means 95, here screws, indicated only with dots.
- the longitudinal beams 97, 97 ' which are arranged in parallel and at a distance from one another and form a carriage for the winding drum 51, only the longitudinal beam 97 can be seen in the illustration according to FIG.
- the winding drum 51 On the other end of the winding drum 51 facing away from the suction connection, the winding drum 51 is supported by means of a bearing journal 101 which is rotatably held in a bearing bore of a second bearing support 99.
- the second bearing support 99 is also attached laterally to the side members 97, 97 'by means of fastening means 95.
- the longitudinal beams 97, 97 ' can each be displaced on a slide guide 103 or 103' in the direction of their longitudinal axis, of which only the slide guide 103 can be seen in FIG. 3.
- the slide guide 103 is arranged on a horizontal floor 105, for example the floor of the machine, and is inclined relative to the latter by an angle a, the amount of which corresponds to the slope of the spiral web provided on the outer casing of the winding drum.
- FIG. 3 also shows the control element 87 formed here by a roller 89, which engages in the space between two windings of the spiral web (not shown in FIG. 3) and interacts with a flank of the web.
- the suspension 91 formed by a cantilever, bracket or the like, at the free end of which the roller 89 is rotatably mounted, is inclined relative to the horizontally extending floor 105 and fastened, for example cast in, to or on the latter.
- the winding drum 51 is rotated about its longitudinal axis 85, as a result of which — depending on the direction of rotation — the hose 45 is wound or unwound onto the outer jacket 55 of the winding drum 51.
- the winding drum 51 rotates, it is pressed to the left or to the right depending on the direction of rotation in FIG. 3 by the stationary control element interacting with the spiral web, so that the longitudinal beams 97, 97 'on the slide guides 103, 103 '(FIG. 4) together with the winding drum 51 can be moved.
- the winding drum 51 and the longitudinal beam 97 are shown with a dashed line in a position that is shifted to the left relative to the solid line.
- FIG. 4 shows a front view of the take-up drum shown in Figure 3.
- the same parts are provided with the same reference numerals, so that reference is made to the description of FIG. 3.
- the parallel and spaced sliding guides 103, 103 'on which the longitudinal members 93 and 93' are displaceable are constructed identically, so that only the sliding guide 103 is described in more detail below.
- This comprises at least one so-called sliding shoe 107, which has a U-shaped cross section. In the U-profile is a slide rail 109 on which the longitudinal beam 93 rests and slides when it is moved.
- the side member 97 assigned a support roller 111, which is rotatably supported on two spaced-apart supports 113 fastened to the floor 105 is.
- the support roller 111 rolls when the side member 97 is displaced on its upper side and presses the side member 97 against the slide guide 103 when the slide formed by the two side members tilts. It is of course also possible to assign a support roller 111 to the second side member 97 ' , which rests on the top of the side member 97 'and secures it against tipping forward.
- the winding drum described with reference to FIGS. 3 and 4 is arranged above the basement on the floor 105 of the machine.
- the ropes 37, 37 'connected to the winding drum to form an endless loop are led vertically downward away from or to the winding drum with the section to which the hose is not fastened and through a slit-shaped, perpendicular to the image plane of FIG. 4 extending opening 113 in the floor 105 led into the basement.
- a winding element resulting from claim 18 can also be used, which has a base body formed by a spiral which can be rotated about its longitudinal axis includes.
- the winding element differs from the winding drum essentially only in that a drum is dispensed with and the web which runs spirally in the winding drum directly from a spiral is formed. Due to this configuration, a winding element can be realized that has a lower weight than a winding drum with comparable dimensions.
- stiffness of the spiral is not sufficient in the case of a long winding element, this can be stiffened, for example, by means of internal webs (not shown).
- Such a winding element then differs from a winding drum only in that a spiral is used directly instead of the spiral web.
- the winding element resulting from claim 18 and the subsequent subclaims can thus easily replace the winding drum described with reference to FIGS. 1 to 4.
- the structural design of the winding element that is to say the spiral, can thus be identical to that of the spiral web, so that reference can be made to the description of the winding drum shown in FIGS. 1 to 4 for explaining the exemplary embodiments of the spiral resulting from the subclaims.
- the spiral of the winding element can thus, for example, also each have a depression 61, 61 'on its upper side and / or on the flanks for receiving the ropes 37, 37', as described with reference to FIG.
Landscapes
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19831859 | 1998-07-16 | ||
DE19831859A DE19831859A1 (de) | 1998-07-16 | 1998-07-16 | Überführungsvorrichtung |
PCT/EP1999/004006 WO2000004226A1 (de) | 1998-07-16 | 1999-06-10 | Überführungsvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1038065A1 true EP1038065A1 (de) | 2000-09-27 |
EP1038065B1 EP1038065B1 (de) | 2003-11-12 |
Family
ID=7874185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99927944A Expired - Lifetime EP1038065B1 (de) | 1998-07-16 | 1999-06-10 | Überführungsvorrichtung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1038065B1 (de) |
DE (2) | DE19831859A1 (de) |
WO (1) | WO2000004226A1 (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3705676A (en) * | 1970-03-16 | 1972-12-12 | Overly Inc | Air foil conveyor |
GB8805786D0 (en) * | 1988-03-11 | 1988-04-13 | Wiggins Teape Group Ltd | Rope system for papermachine |
DE4037661C1 (de) * | 1990-11-27 | 1991-12-19 | J.M. Voith Gmbh, 7920 Heidenheim, De | |
US5456802A (en) * | 1993-11-22 | 1995-10-10 | Beloit Technologies, Inc. | Threading vacuum sheave for a tissue calender |
-
1998
- 1998-07-16 DE DE19831859A patent/DE19831859A1/de not_active Withdrawn
-
1999
- 1999-06-10 EP EP99927944A patent/EP1038065B1/de not_active Expired - Lifetime
- 1999-06-10 WO PCT/EP1999/004006 patent/WO2000004226A1/de active IP Right Grant
- 1999-06-10 DE DE59907715T patent/DE59907715D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO0004226A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE59907715D1 (de) | 2003-12-18 |
WO2000004226A1 (de) | 2000-01-27 |
EP1038065B1 (de) | 2003-11-12 |
DE19831859A1 (de) | 2000-01-20 |
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Legal Events
Date | Code | Title | Description |
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